VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/AJ/145/31
  Catalog of X-ray selected BL Lac objects (Kapanadze+, 2013)
ReadMe+ftp
2013AJ....145...31K
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/145/31/BL_LacCatalog of X-ray-selected BL Lacertae objects (table2) and X-ray-selected BL Lacertae candidates (table12) (418 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);(unassigned);(unassigned);phys.veloc)
  B (char) B for X-ray-selected BL Lacertae objects (table2), c for X-ray-selected BL Lacertae candidates (table12) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  Name (char) (i) Source name from X-ray surveys (Note G2)   ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  M (char) Display the masses (table6), the spectral indices (table7), and the magnitudes (table9) for this BL Lacertae object or candidate ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  OName1 (char) Source name in the Roma BZCAT (Massaro et al., 2009, cat. J/A+A/495/691) (Note G1)   ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  OName2 (char) Other source name(s) from X-ray surveys (Note G2)   ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  RAJ2000 "h:m:s" Hour of Right Ascension (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 "d:m:s" Degree of Declination (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  l_z (char) [>] Lower limit flag on z ((unassigned);(unassigned);(unassigned);pos.galactic.lon;pos.parallax;meta.main)
  z  (n) Redshift ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
  u_z (char) [:] Uncertainty flag on z ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon;pos.parallax;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  r_z (char) Reference of z; in refs.dat file ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion;€?**ucdid=0**?)
  FR mJy The 1.4GHz (or 843MHz/5GHz) radio flux density ((unassigned);phys.atmol.qn.J;arith.grad;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  f_FR (char) [ab] a=5GHz, b=843MHz flux density ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  r_FR (char) Reference of FR; in refs.dat file (time.expo;(unassigned);arith.factor;phys.veloc.dispersion;€?**ucdid=0**?)
  l_logLR (char) [>] Lower limit flag on logLR ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)
  logLR [10-7W] (n) Log of the radio luminosity; in erg/s ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);stat.interval;(unassigned))
  u_logLR (char) [:] Uncertainty flag on logLR ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  Vmag mag Optical V-band magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  f_Vmag (char) [ceg] Origin of Vmag (c, e, or g) (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  r_Vmag (char) Reference of Vmag; in refs.dat file ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion;€?**ucdid=0**?)
  l_logLO (char) [>] Lower limit flag on logLO ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  logLO [10-7W] (n) Log of optical luminosity; in erg/s ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);(unassigned);(unassigned))
  u_logLO (char) [:] Uncertainty flag on logLO ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  FX fW/m2 ROSAT X-ray flux; in 10–12erg/cm2/s ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned))
  f_FX (char) [f] 2keV flux ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  r_FX (char) Reference of FX; in refs.dat file ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion;€?**ucdid=0**?)
  l_logLX (char) [>] Lower limit flag on logLX ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  logLX [10-7W] (n) Log of X-ray luminosity; in erg/s ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);(unassigned);(unassigned))
  u_logLX (char) [:] Uncertainty flag on logLX ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  FX/FR 10+23Hz (n) Ratio of X-ray to radio fluxes; in erg/cm2/s/Jy ((unassigned);(unassigned);(unassigned);meta.abstract;instr.offset)
  Survey (char) X-ray survey(s) (Note G3)   ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  1RXS  (n)Cross-match with the 1RXS-ROSAT All-Sky Survey Bright Source Catalogue (Voges et al., 1999, cat. IX/10) within 30" ((unassigned);(unassigned);(unassigned);pos.geocentric)
  Simbad  ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846431494 Where phase=3 and catid=51450031
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR38147.err (2026-10-27T15:51:31)
-3
-source=J/AJ/145/31/BL_Lac
-ref=VIZ6ae0c8849503
elapse time 3